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path: root/src/platform/wifi/nm-wifi-utils.c
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2005 - 2018 Red Hat, Inc.
 * Copyright (C) 2006 - 2008 Novell, Inc.
 */

#include "nm-default.h"

#include "nm-wifi-utils.h"

#include <sys/stat.h>
#include <stdio.h>
#include <fcntl.h>

#include "nm-wifi-utils-private.h"
#include "nm-wifi-utils-nl80211.h"
#if HAVE_WEXT
    #include "nm-wifi-utils-wext.h"
#endif
#include "nm-core-utils.h"

#include "nm-platform/nm-platform-utils.h"

G_DEFINE_ABSTRACT_TYPE(NMWifiUtils, nm_wifi_utils, G_TYPE_OBJECT)

/*****************************************************************************/

static void
nm_wifi_utils_init(NMWifiUtils *self)
{}

static void
nm_wifi_utils_class_init(NMWifiUtilsClass *klass)
{}

NMWifiUtils *
nm_wifi_utils_new(int ifindex, struct nl_sock *genl, gboolean check_scan)
{
    NMWifiUtils *ret;

    g_return_val_if_fail(ifindex > 0, NULL);

    ret = nm_wifi_utils_nl80211_new(ifindex, genl);

#if HAVE_WEXT
    if (ret == NULL)
        ret = nm_wifi_utils_wext_new(ifindex, check_scan);
#endif

    return ret;
}

NMDeviceWifiCapabilities
nm_wifi_utils_get_caps(NMWifiUtils *data)
{
    g_return_val_if_fail(data != NULL, NM_WIFI_DEVICE_CAP_NONE);

    return data->caps;
}

NM80211Mode
nm_wifi_utils_get_mode(NMWifiUtils *data)
{
    g_return_val_if_fail(data != NULL, NM_802_11_MODE_UNKNOWN);
    return NM_WIFI_UTILS_GET_CLASS(data)->get_mode(data);
}

gboolean
nm_wifi_utils_set_mode(NMWifiUtils *data, const NM80211Mode mode)
{
    NMWifiUtilsClass *klass;

    g_return_val_if_fail(data != NULL, FALSE);
    g_return_val_if_fail((mode == NM_802_11_MODE_INFRA) || (mode == NM_802_11_MODE_AP)
                             || (mode == NM_802_11_MODE_ADHOC) || (mode == NM_802_11_MODE_MESH),
                         FALSE);

    klass = NM_WIFI_UTILS_GET_CLASS(data);

    /* nl80211 probably doesn't need this */
    return klass->set_mode ? klass->set_mode(data, mode) : TRUE;
}

gboolean
nm_wifi_utils_set_powersave(NMWifiUtils *data, guint32 powersave)
{
    NMWifiUtilsClass *klass;

    g_return_val_if_fail(data != NULL, FALSE);

    klass = NM_WIFI_UTILS_GET_CLASS(data);
    return klass->set_powersave ? klass->set_powersave(data, powersave) : TRUE;
}

NMSettingWirelessWakeOnWLan
nm_wifi_utils_get_wake_on_wlan(NMWifiUtils *data)
{
    NMWifiUtilsClass *klass;

    g_return_val_if_fail(data != NULL, NM_SETTING_WIRELESS_WAKE_ON_WLAN_IGNORE);

    klass = NM_WIFI_UTILS_GET_CLASS(data);

    return klass->get_wake_on_wlan ? klass->get_wake_on_wlan(data)
                                   : NM_SETTING_WIRELESS_WAKE_ON_WLAN_IGNORE;
}

gboolean
nm_wifi_utils_set_wake_on_wlan(NMWifiUtils *data, NMSettingWirelessWakeOnWLan wowl)
{
    NMWifiUtilsClass *klass;

    g_return_val_if_fail(data != NULL, FALSE);

    klass = NM_WIFI_UTILS_GET_CLASS(data);
    return klass->set_wake_on_wlan ? klass->set_wake_on_wlan(data, wowl) : FALSE;
}

guint32
nm_wifi_utils_get_freq(NMWifiUtils *data)
{
    g_return_val_if_fail(data != NULL, 0);
    return NM_WIFI_UTILS_GET_CLASS(data)->get_freq(data);
}

guint32
nm_wifi_utils_find_freq(NMWifiUtils *data, const guint32 *freqs)
{
    g_return_val_if_fail(data != NULL, 0);
    g_return_val_if_fail(freqs != NULL, 0);
    return NM_WIFI_UTILS_GET_CLASS(data)->find_freq(data, freqs);
}

gboolean
nm_wifi_utils_get_station(NMWifiUtils *data,
                          NMEtherAddr *out_bssid,
                          int *        out_quality,
                          guint32 *    out_rate)
{
    g_return_val_if_fail(data != NULL, FALSE);

    return NM_WIFI_UTILS_GET_CLASS(data)->get_station(data, out_bssid, out_quality, out_rate);
}

gboolean
nm_wifi_utils_is_wifi(int dirfd, const char *ifname)
{
    g_return_val_if_fail(dirfd >= 0, FALSE);

    if (faccessat(dirfd, "phy80211", F_OK, 0) == 0)
        return TRUE;
#if HAVE_WEXT
    if (nm_wifi_utils_wext_is_wifi(ifname))
        return TRUE;
#endif
    return FALSE;
}

/* OLPC Mesh-only functions */

guint32
nm_wifi_utils_get_mesh_channel(NMWifiUtils *data)
{
    NMWifiUtilsClass *klass;

    g_return_val_if_fail(data != NULL, FALSE);

    klass = NM_WIFI_UTILS_GET_CLASS(data);
    g_return_val_if_fail(klass->get_mesh_channel != NULL, FALSE);

    return klass->get_mesh_channel(data);
}

gboolean
nm_wifi_utils_set_mesh_channel(NMWifiUtils *data, guint32 channel)
{
    NMWifiUtilsClass *klass;

    g_return_val_if_fail(data != NULL, FALSE);
    g_return_val_if_fail(channel <= 13, FALSE);

    klass = NM_WIFI_UTILS_GET_CLASS(data);
    g_return_val_if_fail(klass->set_mesh_channel != NULL, FALSE);

    return klass->set_mesh_channel(data, channel);
}

gboolean
nm_wifi_utils_set_mesh_ssid(NMWifiUtils *data, const guint8 *ssid, gsize len)
{
    NMWifiUtilsClass *klass;

    g_return_val_if_fail(data != NULL, FALSE);

    klass = NM_WIFI_UTILS_GET_CLASS(data);
    g_return_val_if_fail(klass->set_mesh_ssid != NULL, FALSE);

    return klass->set_mesh_ssid(data, ssid, len);
}

gboolean
nm_wifi_utils_indicate_addressing_running(NMWifiUtils *data, gboolean running)
{
    NMWifiUtilsClass *klass;

    g_return_val_if_fail(data != NULL, FALSE);

    klass = NM_WIFI_UTILS_GET_CLASS(data);
    return klass->indicate_addressing_running ? klass->indicate_addressing_running(data, running)
                                              : FALSE;
}